| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| FormSet |
|
| 2.5555555555555554;2.556 |
| 1 | /* | |
| 2 | * Licensed to the Apache Software Foundation (ASF) under one or more | |
| 3 | * contributor license agreements. See the NOTICE file distributed with | |
| 4 | * this work for additional information regarding copyright ownership. | |
| 5 | * The ASF licenses this file to You under the Apache License, Version 2.0 | |
| 6 | * (the "License"); you may not use this file except in compliance with | |
| 7 | * the License. You may obtain a copy of the License at | |
| 8 | * | |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
| 10 | * | |
| 11 | * Unless required by applicable law or agreed to in writing, software | |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, | |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
| 14 | * See the License for the specific language governing permissions and | |
| 15 | * limitations under the License. | |
| 16 | */ | |
| 17 | package org.apache.commons.validator; | |
| 18 | ||
| 19 | import java.io.Serializable; | |
| 20 | import java.util.Collections; | |
| 21 | import java.util.HashMap; | |
| 22 | import java.util.Iterator; | |
| 23 | import java.util.Map; | |
| 24 | import java.util.Map.Entry; | |
| 25 | ||
| 26 | import org.apache.commons.logging.Log; | |
| 27 | import org.apache.commons.logging.LogFactory; | |
| 28 | ||
| 29 | /** | |
| 30 | * Holds a set of <code>Form</code>s stored associated with a <code>Locale</code> | |
| 31 | * based on the country, language, and variant specified. Instances of this | |
| 32 | * class are configured with a <formset> xml element. | |
| 33 | * | |
| 34 | * @version $Revision: 1739361 $ | |
| 35 | */ | |
| 36 | 151 | public class FormSet implements Serializable { |
| 37 | ||
| 38 | private static final long serialVersionUID = -8936513232763306055L; | |
| 39 | ||
| 40 | /** Logging */ | |
| 41 | 151 | private transient Log log = LogFactory.getLog(FormSet.class); |
| 42 | ||
| 43 | /** | |
| 44 | * Whether or not the this <code>FormSet</code> was processed for replacing | |
| 45 | * variables in strings with their values. | |
| 46 | */ | |
| 47 | 151 | private boolean processed = false; |
| 48 | ||
| 49 | /** Language component of <code>Locale</code> (required). */ | |
| 50 | 151 | private String language = null; |
| 51 | ||
| 52 | /** Country component of <code>Locale</code> (optional). */ | |
| 53 | 151 | private String country = null; |
| 54 | ||
| 55 | /** Variant component of <code>Locale</code> (optional). */ | |
| 56 | 151 | private String variant = null; |
| 57 | ||
| 58 | /** | |
| 59 | * A <code>Map</code> of <code>Form</code>s using the name field of the | |
| 60 | * <code>Form</code> as the key. | |
| 61 | */ | |
| 62 | 151 | private final Map<String, Form> forms = new HashMap<String, Form>(); |
| 63 | ||
| 64 | /** | |
| 65 | * A <code>Map</code> of <code>Constant</code>s using the name field of the | |
| 66 | * <code>Constant</code> as the key. | |
| 67 | */ | |
| 68 | 151 | private final Map<String, String> constants = new HashMap<String, String>(); |
| 69 | ||
| 70 | /** | |
| 71 | * This is the type of <code>FormSet</code>s where no locale is specified. | |
| 72 | */ | |
| 73 | protected final static int GLOBAL_FORMSET = 1; | |
| 74 | ||
| 75 | /** | |
| 76 | * This is the type of <code>FormSet</code>s where only language locale is | |
| 77 | * specified. | |
| 78 | */ | |
| 79 | protected final static int LANGUAGE_FORMSET = 2; | |
| 80 | ||
| 81 | /** | |
| 82 | * This is the type of <code>FormSet</code>s where only language and country | |
| 83 | * locale are specified. | |
| 84 | */ | |
| 85 | protected final static int COUNTRY_FORMSET = 3; | |
| 86 | ||
| 87 | /** | |
| 88 | * This is the type of <code>FormSet</code>s where full locale has been set. | |
| 89 | */ | |
| 90 | protected final static int VARIANT_FORMSET = 4; | |
| 91 | ||
| 92 | /** | |
| 93 | * Flag indicating if this formSet has been merged with its parent (higher | |
| 94 | * rank in Locale hierarchy). | |
| 95 | */ | |
| 96 | private boolean merged; | |
| 97 | ||
| 98 | /** | |
| 99 | * Has this formSet been merged? | |
| 100 | * | |
| 101 | * @return true if it has been merged | |
| 102 | * @since Validator 1.2.0 | |
| 103 | */ | |
| 104 | protected boolean isMerged() { | |
| 105 | 0 | return merged; |
| 106 | } | |
| 107 | ||
| 108 | /** | |
| 109 | * Returns the type of <code>FormSet</code>:<code>GLOBAL_FORMSET</code>, | |
| 110 | * <code>LANGUAGE_FORMSET</code>,<code>COUNTRY_FORMSET</code> or <code>VARIANT_FORMSET</code> | |
| 111 | * . | |
| 112 | * | |
| 113 | * @return The type value | |
| 114 | * @since Validator 1.2.0 | |
| 115 | * @throws NullPointerException if there is inconsistency in the locale | |
| 116 | * definition (not sure about this) | |
| 117 | */ | |
| 118 | protected int getType() { | |
| 119 | 85 | if (getVariant() != null) { |
| 120 | 45 | if (getLanguage() == null || getCountry() == null) { |
| 121 | 0 | throw new NullPointerException( |
| 122 | "When variant is specified, country and language must be specified."); | |
| 123 | } | |
| 124 | 45 | return VARIANT_FORMSET; |
| 125 | } | |
| 126 | 40 | else if (getCountry() != null) { |
| 127 | 30 | if (getLanguage() == null) { |
| 128 | 0 | throw new NullPointerException( |
| 129 | "When country is specified, language must be specified."); | |
| 130 | } | |
| 131 | 30 | return COUNTRY_FORMSET; |
| 132 | } | |
| 133 | 10 | else if (getLanguage() != null) { |
| 134 | 10 | return LANGUAGE_FORMSET; |
| 135 | } | |
| 136 | else { | |
| 137 | 0 | return GLOBAL_FORMSET; |
| 138 | } | |
| 139 | } | |
| 140 | ||
| 141 | /** | |
| 142 | * Merges the given <code>FormSet</code> into this one. If any of <code>depends</code> | |
| 143 | * s <code>Forms</code> are not in this <code>FormSet</code> then, include | |
| 144 | * them, else merge both <code>Forms</code>. Theoretically we should only | |
| 145 | * merge a "parent" formSet. | |
| 146 | * | |
| 147 | * @param depends FormSet to be merged | |
| 148 | * @since Validator 1.2.0 | |
| 149 | */ | |
| 150 | protected void merge(FormSet depends) { | |
| 151 | 40 | if (depends != null) { |
| 152 | 40 | Map<String, Form> pForms = getForms(); |
| 153 | 40 | Map<String, Form> dForms = depends.getForms(); |
| 154 | 40 | for (Iterator<Entry<String, Form>> it = dForms.entrySet().iterator(); it.hasNext(); ) { |
| 155 | 110 | Entry<String, Form> entry = it.next(); |
| 156 | 110 | String key = entry.getKey(); |
| 157 | 110 | Form pForm = pForms.get(key); |
| 158 | 110 | if (pForm != null) {//merge, but principal 'rules', don't overwrite |
| 159 | // anything | |
| 160 | 55 | pForm.merge(entry.getValue()); |
| 161 | } | |
| 162 | else {//just add | |
| 163 | 55 | addForm(entry.getValue()); |
| 164 | } | |
| 165 | 110 | } |
| 166 | } | |
| 167 | 40 | merged = true; |
| 168 | 40 | } |
| 169 | ||
| 170 | /** | |
| 171 | * Whether or not the this <code>FormSet</code> was processed for replacing | |
| 172 | * variables in strings with their values. | |
| 173 | * | |
| 174 | * @return The processed value | |
| 175 | */ | |
| 176 | public boolean isProcessed() { | |
| 177 | 40 | return processed; |
| 178 | } | |
| 179 | ||
| 180 | /** | |
| 181 | * Gets the equivalent of the language component of <code>Locale</code>. | |
| 182 | * | |
| 183 | * @return The language value | |
| 184 | */ | |
| 185 | public String getLanguage() { | |
| 186 | 276 | return language; |
| 187 | } | |
| 188 | ||
| 189 | /** | |
| 190 | * Sets the equivalent of the language component of <code>Locale</code>. | |
| 191 | * | |
| 192 | * @param language The new language value | |
| 193 | */ | |
| 194 | public void setLanguage(String language) { | |
| 195 | 147 | this.language = language; |
| 196 | 147 | } |
| 197 | ||
| 198 | /** | |
| 199 | * Gets the equivalent of the country component of <code>Locale</code>. | |
| 200 | * | |
| 201 | * @return The country value | |
| 202 | */ | |
| 203 | public String getCountry() { | |
| 204 | 251 | return country; |
| 205 | } | |
| 206 | ||
| 207 | /** | |
| 208 | * Sets the equivalent of the country component of <code>Locale</code>. | |
| 209 | * | |
| 210 | * @param country The new country value | |
| 211 | */ | |
| 212 | public void setCountry(String country) { | |
| 213 | 147 | this.country = country; |
| 214 | 147 | } |
| 215 | ||
| 216 | /** | |
| 217 | * Gets the equivalent of the variant component of <code>Locale</code>. | |
| 218 | * | |
| 219 | * @return The variant value | |
| 220 | */ | |
| 221 | public String getVariant() { | |
| 222 | 236 | return variant; |
| 223 | } | |
| 224 | ||
| 225 | /** | |
| 226 | * Sets the equivalent of the variant component of <code>Locale</code>. | |
| 227 | * | |
| 228 | * @param variant The new variant value | |
| 229 | */ | |
| 230 | public void setVariant(String variant) { | |
| 231 | 147 | this.variant = variant; |
| 232 | 147 | } |
| 233 | ||
| 234 | /** | |
| 235 | * Add a <code>Constant</code> to the locale level. | |
| 236 | * | |
| 237 | * @param name The constant name | |
| 238 | * @param value The constant value | |
| 239 | */ | |
| 240 | public void addConstant(String name, String value) { | |
| 241 | ||
| 242 | 20 | if (constants.containsKey(name)) { |
| 243 | 0 | getLog().error("Constant '" + name + "' already exists in FormSet[" |
| 244 | + this.displayKey() + "] - ignoring."); | |
| 245 | ||
| 246 | } else { | |
| 247 | 20 | constants.put(name, value); |
| 248 | } | |
| 249 | ||
| 250 | 20 | } |
| 251 | ||
| 252 | /** | |
| 253 | * Add a <code>Form</code> to the <code>FormSet</code>. | |
| 254 | * | |
| 255 | * @param f The form | |
| 256 | */ | |
| 257 | public void addForm(Form f) { | |
| 258 | ||
| 259 | 485 | String formName = f.getName(); |
| 260 | 485 | if (forms.containsKey(formName)) { |
| 261 | 0 | getLog().error("Form '" + formName + "' already exists in FormSet[" |
| 262 | + this.displayKey() + "] - ignoring."); | |
| 263 | ||
| 264 | } else { | |
| 265 | 485 | forms.put(f.getName(), f); |
| 266 | } | |
| 267 | ||
| 268 | 485 | } |
| 269 | ||
| 270 | /** | |
| 271 | * Retrieve a <code>Form</code> based on the form name. | |
| 272 | * | |
| 273 | * @param formName The form name | |
| 274 | * @return The form | |
| 275 | */ | |
| 276 | public Form getForm(String formName) { | |
| 277 | 176 | return this.forms.get(formName); |
| 278 | } | |
| 279 | ||
| 280 | /** | |
| 281 | * A <code>Map</code> of <code>Form</code>s is returned as an unmodifiable | |
| 282 | * <code>Map</code> with the key based on the form name. | |
| 283 | * | |
| 284 | * @return The forms map | |
| 285 | */ | |
| 286 | public Map<String, Form> getForms() { | |
| 287 | 80 | return Collections.unmodifiableMap(forms); |
| 288 | } | |
| 289 | ||
| 290 | /** | |
| 291 | * Processes all of the <code>Form</code>s. | |
| 292 | * | |
| 293 | * @param globalConstants Global constants | |
| 294 | */ | |
| 295 | synchronized void process(Map<String, String> globalConstants) { | |
| 296 | 151 | for (Iterator<Form> i = forms.values().iterator(); i.hasNext(); ) { |
| 297 | 485 | Form f = i.next(); |
| 298 | 485 | f.process(globalConstants, constants, forms); |
| 299 | 485 | } |
| 300 | ||
| 301 | 151 | processed = true; |
| 302 | 151 | } |
| 303 | ||
| 304 | /** | |
| 305 | * Returns a string representation of the object's key. | |
| 306 | * | |
| 307 | * @return A string representation of the key | |
| 308 | */ | |
| 309 | public String displayKey() { | |
| 310 | 0 | StringBuilder results = new StringBuilder(); |
| 311 | 0 | if (language != null && language.length() > 0) { |
| 312 | 0 | results.append("language="); |
| 313 | 0 | results.append(language); |
| 314 | } | |
| 315 | 0 | if (country != null && country.length() > 0) { |
| 316 | 0 | if (results.length() > 0) { |
| 317 | 0 | results.append(", "); |
| 318 | } | |
| 319 | 0 | results.append("country="); |
| 320 | 0 | results.append(country); |
| 321 | } | |
| 322 | 0 | if (variant != null && variant.length() > 0) { |
| 323 | 0 | if (results.length() > 0) { |
| 324 | 0 | results.append(", "); |
| 325 | } | |
| 326 | 0 | results.append("variant="); |
| 327 | 0 | results.append(variant ); |
| 328 | } | |
| 329 | 0 | if (results.length() == 0) { |
| 330 | 0 | results.append("default"); |
| 331 | } | |
| 332 | ||
| 333 | 0 | return results.toString(); |
| 334 | } | |
| 335 | ||
| 336 | /** | |
| 337 | * Returns a string representation of the object. | |
| 338 | * | |
| 339 | * @return A string representation | |
| 340 | */ | |
| 341 | @Override | |
| 342 | public String toString() { | |
| 343 | 0 | StringBuilder results = new StringBuilder(); |
| 344 | ||
| 345 | 0 | results.append("FormSet: language="); |
| 346 | 0 | results.append(language); |
| 347 | 0 | results.append(" country="); |
| 348 | 0 | results.append(country); |
| 349 | 0 | results.append(" variant="); |
| 350 | 0 | results.append(variant); |
| 351 | 0 | results.append("\n"); |
| 352 | ||
| 353 | 0 | for (Iterator<?> i = getForms().values().iterator(); i.hasNext(); ) { |
| 354 | 0 | results.append(" "); |
| 355 | 0 | results.append(i.next()); |
| 356 | 0 | results.append("\n"); |
| 357 | } | |
| 358 | ||
| 359 | 0 | return results.toString(); |
| 360 | } | |
| 361 | ||
| 362 | /** | |
| 363 | * Accessor method for Log instance. | |
| 364 | * | |
| 365 | * The Log instance variable is transient and | |
| 366 | * accessing it through this method ensures it | |
| 367 | * is re-initialized when this instance is | |
| 368 | * de-serialized. | |
| 369 | * | |
| 370 | * @return The Log instance. | |
| 371 | */ | |
| 372 | private Log getLog() { | |
| 373 | 0 | if (log == null) { |
| 374 | 0 | log = LogFactory.getLog(FormSet.class); |
| 375 | } | |
| 376 | 0 | return log; |
| 377 | } | |
| 378 | } |